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IEEE Spectrum

Issue 3 • March 1993

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Displaying Results 1 - 6 of 6
  • La haute technologie (research initiatives)

    Publication Year: 1993, Page(s):55 - 60
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (864 KB)

    France's bid to become the European leader in technology is examined. This effort is embodied in its technipoles, i.e. technology centers that combine development efforts made by numerous groups-national and regional, public and private, and industrial and academic. The operation of the technipoles is discussed, and a five-day press tour that demonstrated the work being done in a few of France's h... View full abstract»

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  • Molding light into solitons

    Publication Year: 1993, Page(s):48 - 53
    Cited by:  Papers (12)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (884 KB)

    The nature of soliton waves and the potential of optical solitons for long-distance repeaterless transmission are discussed, and the pioneering experiments are recounted. Techniques for generating and transmitting solitons are described. The discovery of the existence of a limit on transmission distance, due to timing jitter, and ways to extend that limit are discussed.<> View full abstract»

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  • A higher level of synthesis (CAD)

    Publication Year: 1993, Page(s):43 - 47
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (681 KB)

    Software tools that simplify the design automation process, going far beyond schematic capture, permitting a higher-level design, and helping engineers conceptualize the design as well as implement it, are examined. Classified as design synthesis systems, these tools can operate at several levels of abstraction. The processes that take place at each of these levels are described. The roles of hard... View full abstract»

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  • Mixing 3-V and 5-V ICs

    Publication Year: 1993, Page(s):40 - 42
    Cited by:  Papers (16)  |  Patents (23)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (434 KB)

    The fact that many integrated circuits now operate from 3V power supplies, in particular, embedded controllers, memories, and a variety of logic chips, while only 5 V versions are available of some peripheral components has led to the use of mixed-voltage systems. The disadvantages of these systems are examined, and ways of dealing with them are discussed. Compared to systems using 5 V components ... View full abstract»

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  • Multimedia-the technology framework

    Publication Year: 1993, Page(s):32 - 39
    Cited by:  Papers (8)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1208 KB)

    The capabilities of currently available hardware and software for supporting multimedia applications are examined. In particular, the Apple Macintosh, DOS/Windows, IBM Ultimedia/OS-2, Unix, and Philips/Microware are discussed. The inadequacies of present hardware are identified. Data compression, bandwidth, delivery bottleneck, LAN issues, and interoperability are discussed.<> View full abstract»

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  • Multimedia-applications, implications

    Publication Year: 1993, Page(s):24 - 31
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1473 KB)

    The nature of multimedia information systems and their use as instructional aids are examined. The creation of multimedia software is discussed, focusing on some of the problems faced by authors. The creation of multimedia products by publishers of traditional print products and the possibilities for electronic dailies are considered. Copyright problems particular to multimedia products are noted.... View full abstract»

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